What is CVE-2022-34761?

CVE-2022-34761 is a high-severity vulnerability in Schneider Electric Opc Ua Modicon Communication Module, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2022-07-13.

How severe is CVE-2022-34761?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-34761 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Schneider Electric Opc Ua Modicon Communication Module

CVE-2022-34761

A CWE-476: NULL Pointer Dereference vulnerability exists that could cause a denial of service of the webserver when parsing JSON content type. Affected Products: X80 advanced RTU Communication Module (BMENOR2200H) (V2.01 and later), OPC UA Modicon Communication Module (BMENUA0100) (V1.10 and prior)

Published 2022-07-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

References

download.schneider-electric.com/files (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-34761?: CVE-2022-34761 is a high-severity vulnerability in Schneider Electric Opc Ua Modicon Communication Module, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2022-07-13.
How severe is CVE-2022-34761?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-34761 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.